Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5426012 | Electrophotographic printing plate precursor | Hiroaki Yokoya, Hiromichi Tachikawa | 1995-06-20 |
| 5344694 | Liquid developer for electrostatic photography | Seiji Horie, Kenji Sano, Nobuo Suzuki | 1994-09-06 |
| 5102760 | Electrophotographic photoreceptor and electrophotographic printing plate precursor comprising phthalocyanine pigment and thiobarbituric acid derivative | Hiroaki Yokoya, Hiromichi Tachikawa, Syunichi Kondo, Seiji Horie | 1992-04-07 |
| 5075171 | Conductive film and method for preparing same | Syunichi Kondo | 1991-12-24 |
| 5069992 | Electrophotographic printing plate precursor containing alkali-soluble polyurethane resin as binder resin | Hiromichi Tachikawa, Hiroaki Yokoya, Toshiaki Aoai | 1991-12-03 |
| 5063129 | Electrophotographic printing plate precursor | Hiroaki Yokoya, Hiromichi Tachikawa | 1991-11-05 |
| 5015551 | Electrophotographic liquid developers containing positively charged resin particles | Hiromichi Tachikawa, Hiroaki Yokoya, Nobuo Suzuki | 1991-05-14 |
| 5004641 | Electroconducting semiconductor and binder or binder precursor coated in a subbing layer | Syunichi Kondo | 1991-04-02 |
| 4734351 | Liquid developer for electrostatic charge image | Katsuji Kitatani, Hiroaki Yokoya | 1988-03-29 |
| 4724192 | Electrophotographic photoreceptor containing a bisstilbene compound | Naonori Makino, Seiji Horie, Hideo Sato | 1988-02-09 |
| 4681832 | Electrophotographic liquid developer | Hiromichi Tachikawa, Hiroaki Yokoya, Katuzi Kitatani | 1987-07-21 |
| 4229510 | Photoconductive polymer material of N-alkylphenothiazine and formaldehyde | Kenichi Sawada, Takeshi Saida | 1980-10-21 |